Shardflux vs Vercel Sandbox
Shardflux costs $0.04 per vCPU-hour and Vercel Sandbox costs $0.128 per vCPU-hour. Shardflux runs Firecracker microVMs and offers GPUs. Vercel Sandbox runs Firecracker microVMs and limits a session to 24 hours.
Updated
Shardflux
- Isolation
- Firecracker microVM
- Free tier
- 30-day Pro trial, no card needed
- Max session
- Not listed
Vercel Sandbox
- Isolation
- Firecracker microVM
- Free tier
- 5 CPU-hours every month
- Max session
- 24 hours
What is different
9 fields differ. The rest are the same or not listed.
Shardflux
Vercel Sandbox
- vCPU, per hour
- Shardflux: $0.04
- Vercel Sandbox: $0.128
- RAM, per GiB-hour
- Shardflux: $0.015
- Vercel Sandbox: $0.0212
- Storage
- Shardflux: Retained storage is a monthly allowance per plan. No hourly storage rate is published.
- Vercel Sandbox: On Pro, snapshots $0.08 per GB-month and drives $0.05 per GB-month (beta).
- Free tier
- Shardflux: 30-day Pro trial, no card needed
- Vercel Sandbox: 5 CPU-hours every month
- Paid plan from
- Shardflux: $9 / month
- Vercel Sandbox: $20 / month
- Largest sandbox
- Shardflux: 32 vCPU · 64 GiB
- Vercel Sandbox: 8 vCPU · 16 GiB
- Concurrent sandboxes
- Shardflux: Up to 200
- Vercel Sandbox: Up to 10,000
- SDKs
- Shardflux: TypeScript, Python
- Vercel Sandbox: Python, JavaScript / TypeScript
- Integrations
- Shardflux: Claude Code, MCP
- Vercel Sandbox: Claude Agent SDK, LangChain, OpenAI Agents SDK, Vercel AI SDK, Claude Code
Full comparison
18 fields, at each provider's list price
Shardfluxshardflux
Vercel Sandboxvercel
Pricing
- vCPU, per hour
- Shardflux: $0.04
- Vercel Sandbox: $0.128
- RAM, per GiB-hour
- Shardflux: $0.015
- Vercel Sandbox: $0.0212
- Storage
- Shardflux: Retained storage is a monthly allowance per plan. No hourly storage rate is published.
- Vercel Sandbox: On Pro, snapshots $0.08 per GB-month and drives $0.05 per GB-month (beta).
- Free tier
- Shardflux: 30-day Pro trial, no card needed
- Vercel Sandbox: 5 CPU-hours every month
- Paid plan from
- Shardflux: $9 / month
- Vercel Sandbox: $20 / month
- Billing
- Shardflux: Active CPU time only
- Vercel Sandbox: Active CPU time only
Limits
- Max session
- Shardflux: Not listed
- Vercel Sandbox: 24 hours
- Idle stop
- Shardflux: Not listed
- Vercel Sandbox: Not listed
- Largest sandbox
- Shardflux: 32 vCPU · 64 GiB
- Vercel Sandbox: 8 vCPU · 16 GiB
- Concurrent sandboxes
- Shardflux: Up to 200
- Vercel Sandbox: Up to 10,000
Platform
- Isolation
- Shardflux: Firecracker microVM
- Vercel Sandbox: Firecracker microVM
- GPU
- Shardflux:
- Vercel Sandbox: Not listed
- Snapshots
- Shardflux:
- Vercel Sandbox:
- Pause and resume
- Shardflux:
- Vercel Sandbox:
Developer
- SDKs
- Shardflux: TypeScript, Python
- Vercel Sandbox: Python, JavaScript / TypeScript
- Integrations
- Shardflux: Claude Code, MCP
- Vercel Sandbox: Claude Agent SDK, LangChain, OpenAI Agents SDK, Vercel AI SDK, Claude Code
Trust
- License
- Shardflux: Not listed
- Vercel Sandbox: Not listed
- BYOC
- Shardflux: Not listed
- Vercel Sandbox: Not listed
Hourly cost
One sandbox running for one hour
Shardflux
Vercel Sandbox
- 1 vCPU · 2 GiB
- Shardflux: $0.070
- Vercel Sandbox: $0.170
- 2 vCPU · 4 GiB
- Shardflux: $0.140
- Vercel Sandbox: $0.341
- 4 vCPU · 8 GiB
- Shardflux: $0.280
- Vercel Sandbox: $0.682
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Shardflux fits when
- You need GPUs.
- You use MCP.
- You want the lower list price: $0.140 against $0.341 an hour for 2 vCPU and 4 GiB.
- You need a desktop in the sandbox.
Vercel Sandbox fits when
- You use the Claude Agent SDK, LangChain, the OpenAI Agents SDK or the Vercel AI SDK.
- You need SOC 2 Type II.
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